Unexpected server reboot in Azure
Issue
-
Unexpected reboot of a production server, causing application/server outage.
systemd-udevd: could not read from '/sys/module/pcc_cpufreq/initstate': No such device [...] kernel: piix4_smbus 0000:00:07.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr
Environment
- Microsoft Azure
- Red Hat Enterprise Linux (RHEL) 6.7+, 7.1+
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